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Added comments to isObject.
author
rkatic
<robert.katic@gmail.com>
Sun, 8 Nov 2009 23:26:01 +0000
(07:26 +0800)
committer
John Resig
<jeresig@gmail.com>
Mon, 9 Nov 2009 11:32:24 +0000
(19:32 +0800)
src/core.js
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diff --git
a/src/core.js
b/src/core.js
index
ff31e81
..
6eeb9a6
100644
(file)
--- a/
src/core.js
+++ b/
src/core.js
@@
-39,6
+39,7
@@
var jQuery = function( selector, context ) {
// Save a reference to some core methods
toString = Object.prototype.toString,
// Save a reference to some core methods
toString = Object.prototype.toString,
+ hasOwnProperty = Object.prototype.hasOwnProperty,
push = Array.prototype.push,
slice = Array.prototype.slice,
indexOf = Array.prototype.indexOf;
push = Array.prototype.push,
slice = Array.prototype.slice,
indexOf = Array.prototype.indexOf;
@@
-323,7
+324,17
@@
jQuery.extend({
},
isObject: function( obj ) {
},
isObject: function( obj ) {
- return this.constructor.call(obj) === Object;
+ if ( toString.call(obj) !== "[object Object]" ) {
+ return false;
+ }
+
+ //own properties are iterated firstly,
+ //so to speed up, we can test last one if it is own or not
+
+ var key;
+ for ( key in obj ) {}
+
+ return !key || hasOwnProperty.call( obj, key );
},
isEmptyObject: function( obj ) {
},
isEmptyObject: function( obj ) {